PASCO ME-9849 Significant Figures Set - Manual (Page 13)

Model No. ME-9849 Significant Figures Set
11 ®
Activity 4b:
Mass Measurements with Imprecise Labels on a Balance
Before the Lab:
1. Cut one of the labels from the sheet of labels for each balance.
2. Tape the labels to the most precise beam of the balance.
3. Organize the lab groups so that different groups measure the object with different labels.
4. Place the number line on the board. Put the appropriate range of values on the number line.
5. Review significant figures: the number of digits that are certain plus one more that is
estimated.
Equipment Required Part Number
Balance labels part of ME-9849
Data pointer part of ME-9849
Number line part of ME-9849
Balance SE-8723 or SE-8707
Sample object